Working Group Details
Dist-WGC57.15 - Distribution - Step-Voltage Regulator Working Group
|Working Group Chair||
|IEEE Program Manager|
C57.15-1986 - IEEE Standard Requirements, Terminology, and Test Code for Step-Voltage and Induction-Voltage Regulators
This IEEE Standards product is part of the C57 family on Power Distribution and Regulating Transformers. Electrical, mechanical, and safety requirements are set forth for step-voltage and induction-voltage regulators, single-phase and three-phase, oil-filled and dry-type, not exceeding 2500 kVA of regulation for three-phase units, or not exceeding 833 kVA of regulation for single-phase units. These provide a basis for the establishment of performance, limited electrical and mechanical interchangeability, and safety requirements of equipment described and for assistance in the proper selection of such equipment.
Electrical, mechanical, and safety requirements of oil-filled, single- and three-phase voltage regulators not exceeding regulation of 2500 kVA (for three-phase units) or 833 kVA (for single-phase units) are covered.
C57.15-2017 - IEEE Approved Draft Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators
Description of design types, tables of 50 Hz and 60 Hz ratings, supplementary ratings, construction, and available accessories are provided. Methods for performing routine and design tests applicable to liquid-immersed single and three-phase step-voltage regulators are described. Winding resistance measurements, polarity tests, insulation power factor and resistance tests, ratio tests, no load loss and excitation current measurements, impedance and load loss measurements, dielectric tests, temperature tests, routine and design impulse tests, short-circuit tests, audible sound emissions tests, enclosure integrity tests, tap-changer tests, control tests, calculated data, and certified test data are covered.